{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["employee of", "else"], "input": "Aboard the helicopters were  Venezuela  's interior minister Ramon Rodriguez Chacin and close  Chavez  collaborator Colombian Sen. Piedad Cordoba as well as four Red Cross representatives and doctors ."}
{"employee of": [], "else": [{"subject": "Venezuela", "object": "Chavez"}]}